Finding the Fourth Proportional to 2,964,848.40, 4,091,929.56 and 1,877,221.08
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Solution
The fourth proportional to 2,964,848.40, 4,091,929.56 and 1,877,221.08 is: 2,590,842.90
Step by Step Solution
- Step 1: Write the proportion equation
2,964,848.40 : 4,091,929.56 = 1,877,221.08 : x - Step 2: Convert to fraction form
2,964,848.40/4,091,929.56 = 1,877,221.08/x - Step 3: Cross multiply
2,964,848.40x = 4,091,929.56 × 1,877,221.08 - Step 4: Simplify right side
2,964,848.40x = 7,681,456,427,907.13 - Step 5: Solve for x
x = 7,681,456,427,907.13/2,964,848.40 - Step 6: Final answer
x = 2,590,842.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.